From 246d7cc7746e6d7f7300032d967460a0db0015fa Mon Sep 17 00:00:00 2001
From: Uwe Klatt <42005666+uklatt@users.noreply.github.com>
Date: Thu, 19 Dec 2019 09:08:11 +0100
Subject: [PATCH] Limit MouseMove Messages to once per 100mS

---
 core/rfb.js | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/core/rfb.js b/core/rfb.js
index e5849605..c167f159 100644
--- a/core/rfb.js
+++ b/core/rfb.js
@@ -776,6 +776,10 @@ export default class RFB extends EventTargetMixin {
             const deltaX = this._viewportDragPos.x - x;
             const deltaY = this._viewportDragPos.y - y;
 
+            if( typeof _handleMouseMove.timestamp == 'undefined' ) {
+              _handleMouseMove.oldtimestamp = Date.now();
+            }
+            
             if (this._viewportHasMoved || (Math.abs(deltaX) > dragThreshold ||
                                            Math.abs(deltaY) > dragThreshold)) {
                 this._viewportHasMoved = true;
@@ -790,6 +794,10 @@ export default class RFB extends EventTargetMixin {
 
         if (this._viewOnly) { return; } // View only, skip mouse events
 
+        this.timestamp = Date.now();
+        if(this.timestamp < this.oldtimestamp + 100) { return; }
+        this.oldtimestamp = this.timestamp;
+
         if (this._rfb_connection_state !== 'connected') { return; }
         RFB.messages.pointerEvent(this._sock, this._display.absX(x), this._display.absY(y), this._mouse_buttonMask);
     }